# Galvagni Figures for Polymings

## Definitions

A *polyming,* or *pseudo-polyiamond*,
is a figure formed of equilateral triangular cells
joined edge to edge or vertex to vertex at 60° or 120° angles.
A *Galvagni figure* is a minimal figure
that can be tiled with a polyform in two or more ways.
Math
Magic for November 2004 shows Galvagni figures for many kinds of
polyforms.
A *rounded polyiamond* is a polyming with rounded corners
and little bridges at the vertex-connections to hold the tile together.
See Abaroth's page Rounded Polyiamond Puzzles.

## Dimings

There are three dimings (including the ordinary diamond),
all with Galvagni figures:

## Trimings

There are 11 trimings, 9 with Galvagni figures:

## Tetramings

There are 75 tetramings, 69 with Galvagni figures:

### Mirror Variants

*Last revised 2014-12-06.*

Back to Galvagni Compatibility
<
Polyform Compatibility
<
Polyform Curiosities

Col. George Sicherman
[ HOME
| MAIL
]